linux-kernel - Re: [PATCH] thermal: rcar_thermal: remove explicitly used devm

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Message-ID: <1352259132.2137.14.camel@rzhang1-mobl4>
Date:	Wed, 07 Nov 2012 11:32:12 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: rcar_thermal: remove explicitly used
 devm_kfree/iounap()



On Tue, 2012-10-02 at 23:51 -0700, Kuninori Morimoto wrote:
> devm_kfree and devm_iounmap should not have to be explicitly used
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>

applied to thermal-next.

thanks,
rui
> ---
> This patch is based on Devendra's
> [PATCH] thermal: solve compilation errors in rcar_thermal
> 
>  drivers/thermal/rcar_thermal.c |   18 ++----------------
>  1 file changed, 2 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
> index 762f637..81dce23 100644
> --- a/drivers/thermal/rcar_thermal.c
> +++ b/drivers/thermal/rcar_thermal.c
> @@ -185,7 +185,6 @@ static int rcar_thermal_probe(struct platform_device *pdev)
>  	struct thermal_zone_device *zone;
>  	struct rcar_thermal_priv *priv;
>  	struct resource *res;
> -	int ret;
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>  	if (!res) {
> @@ -206,16 +205,14 @@ static int rcar_thermal_probe(struct platform_device *pdev)
>  					  res->start, resource_size(res));
>  	if (!priv->base) {
>  		dev_err(&pdev->dev, "Unable to ioremap thermal register\n");
> -		ret = -ENOMEM;
> -		goto error_free_priv;
> +		return -ENOMEM;
>  	}
>  
>  	zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv,
>  				    &rcar_thermal_zone_ops, NULL, 0, 0);
>  	if (IS_ERR(zone)) {
>  		dev_err(&pdev->dev, "thermal zone device is NULL\n");
> -		ret = PTR_ERR(zone);
> -		goto error_iounmap;
> +		return PTR_ERR(zone);
>  	}
>  
>  	platform_set_drvdata(pdev, zone);
> @@ -223,26 +220,15 @@ static int rcar_thermal_probe(struct platform_device *pdev)
>  	dev_info(&pdev->dev, "proved\n");
>  
>  	return 0;
> -
> -error_iounmap:
> -	devm_iounmap(&pdev->dev, priv->base);
> -error_free_priv:
> -	devm_kfree(&pdev->dev, priv);
> -
> -	return ret;
>  }
>  
>  static int rcar_thermal_remove(struct platform_device *pdev)
>  {
>  	struct thermal_zone_device *zone = platform_get_drvdata(pdev);
> -	struct rcar_thermal_priv *priv = zone->devdata;
>  
>  	thermal_zone_device_unregister(zone);
>  	platform_set_drvdata(pdev, NULL);
>  
> -	devm_iounmap(&pdev->dev, priv->base);
> -	devm_kfree(&pdev->dev, priv);
> -
>  	return 0;
>  }
>  


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